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T. Rowe Price Health Sciences fund showed a return of 20 percent, giving it a category rank in the top 13 percent of all funds. The fund was closed to investors in 2015 and has assets of $15.5 billion. Century Small Cap Select showed a return of 14 percent and ranked in the top 3 percent of all funds, giving it an excellent 3-year record despite lags in the two previous years, notes Morningstar.

Vanguard Health Care had a total return of 14 percent and placed in the top 61 percent of funds. The fund's success hinged on contributions from Valeant Pharmaceuticals International and Boston Scientific. Scotia Dynamic U.S. Growth return 13 percent to investors, ranking in the top 1 percent of funds. The fund focuses on companies with high earnings growth rates, including Palo Alto Networks and Tableau Software.

Dreyfus Opportunistic Small Cap also placed in the top 1 percent of funds with a total return of 10 percent, notes Morningstar. The fund is concentrated in financial, consumer cyclical, industrial and technology sectors.